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Preparation method for metal organic framework material UIO-66 (NH2)/rodlike cadmium sulfide composite photocatalyst

A technology of UIO-66 and cadmium sulfide, applied in organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problem of CdS-MOF nanocomposite photocatalytic activity Thoroughly study and other issues to achieve the effects of easy control of preparation conditions, high catalytic efficiency, and simple preparation methods

Inactive Publication Date: 2018-02-09
CHANGZHOU UNIV
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Problems solved by technology

Literature survey found that the photocatalytic activity of CdS-MOF nanocomposites has not been thoroughly studied

Method used

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  • Preparation method for metal organic framework material UIO-66 (NH2)/rodlike cadmium sulfide composite photocatalyst
  • Preparation method for metal organic framework material UIO-66 (NH2)/rodlike cadmium sulfide composite photocatalyst
  • Preparation method for metal organic framework material UIO-66 (NH2)/rodlike cadmium sulfide composite photocatalyst

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Embodiment 1

[0023] (1) Preparation of rod-shaped cadmium sulfide (CdS NRs): 20.25mmol CdCl 2 2.5H 2 O (4.62g) and 60.75mmol CH 4 N 2 S (4.62g) was added into a 100mL autoclave containing 60mL of ethylenediamine and sealed, and the autoclave was transferred to 160°C for a reaction time of 48h. .Wash the obtained yellow powder with water and ethanol to remove impurities, and centrifugally filter and dry to obtain the product;

[0024] (2) UIO-66(NH 2 ) preparation: the ZrCl 4 (0.2332g, 1.0mmol) and 2-NH 2 - Terephthalic acid (0.1812 g, 1.0 mmol) was dissolved in DMF (50 mL), then the solution was transferred to a 100 ml autoclave, which was sealed and heated in an oven at 120° C. for 24 h. The resulting sample was washed several times with anhydrous methanol to ensure the removal of blocked DMF molecules, and then dried under vacuum (100 °C, 12 h);

[0025] (3) UIO-66(NH 2 ) doped rod-shaped cadmium sulfide (CdS NRs) composite photocatalyst: the rod-shaped cadmium sulfide (CdS NRs) ...

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Abstract

The invention relates to a preparation method for a metal organic framework material UIO-66 (NH2) doped rodlike cadmium sulfide (CdS NRs) composite photocatalyst. The preparation method comprises thefollowing steps: preparation of rodlike cadmium sulfide (CdS NRs), preparation of UIO-66 (NH2) and preparation of a UIO-66 (NH2) doped rodlike cadmium sulfide (CdS@UIO-66 (NH2)) composite photocatalyst. The invention has the following beneficial effects: the preparation method is simple; preparation conditions are easily controllable; and the UIO-66 (NH2) doped rodlike cadmium sulfide (CdS NRs) composite catalyst prepared by using the preparation method provided by the invention has the advantages of no secondary pollution, high photocatalytic efficiency, certain application values, etc.

Description

technical field [0001] The invention belongs to the technical field of nanomaterial preparation and application, and relates to a metal organic framework material UIO-66 (NH 2 ) doped rod-shaped cadmium sulfide (CdS NRs) composite photocatalyst preparation method. Background technique [0002] Photocatalytic technology has gradually become one of the most critical technologies to control environmental pollution and energy shortages, and has triggered extensive research by scientists at home and abroad. Much research effort has focused on the search and proper design of highly efficient photocatalysts, as direct use of solar radiation to drive reactions has been proven to be a scientific, efficient and green approach. A typical II-VI semiconductor, due to its suitable bandgap (2.4 eV) and its electronic and optical properties, CdS has been intensively studied in the past decades as a material for practical applications, especially for use under visible light irradiation. Co...

Claims

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Application Information

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IPC IPC(8): B01J31/26C02F1/30
CPCC02F1/30B01J31/1691B01J31/26C02F2305/10B01J35/50B01J35/39
Inventor 梁倩崔赛楠李忠玉
Owner CHANGZHOU UNIV
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